Diablo's new SandNet™ discs with reusable sanding technology are the most advanced sanding discs on the market with 10x longer life versus standard sanding discs. Each SandNet™ discs features a clog-reducing net design coated in premium aluminum oxide grit for fast material removal while reducing material build-up. The SandNet™ design is easy to clean and reuse multiple times by simply shaking, vacuuming or rinsing the disc to remove any build up. The 50 pack of SandNet™ discs includes a free connection pad for easy attachment to tool. Ideal for sanding wood, metal, plastic and solid surfaces.